模拟复选框打钩变色

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title> new document </title>
  <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
  <meta name="author" content="" />
  <meta name="keywords" content="" />
  <meta name="description" content="" />
  <link rel="stylesheet" type="text/css" href="" />
  <style type="text/css"> 
  .cbox{display:block;width:16px;height:16px;border:1px solid #ccc;background:#fff;}
  .cbox.checked{background:#f00;}
  .cbox.checked:after{content:"√"}
 </style>
    <script type="text/javascript"></script>
 </head>
 <body>
      <span class="cbox" onclick="this.className=/checked/ig.test(this.className)?this.className.replace('checked',''):(this.className+' checked')">
      </span>
 </body>
</html>
原文地址:https://www.cnblogs.com/yangzailu/p/5822085.html